Fix test.

[oota-llvm.git] / test / Transforms / FunctionAttrs / 2008-10-04-LocalMemory.ll

diff --git a/test/Transforms/FunctionAttrs/2008-10-04-LocalMemory.ll b/test/Transforms/FunctionAttrs/2008-10-04-LocalMemory.ll
index 98cd446910a77f7c09f4ad26013bf2a1badc8dfb..c6c2e13e33e12c3e24f1d578426a6cd4a7236ec2 100644 (file)
--- a/test/Transforms/FunctionAttrs/2008-10-04-LocalMemory.ll
+++ b/test/Transforms/FunctionAttrs/2008-10-04-LocalMemory.ll
@@ -1,10 +1,64 @@
-; RUN: opt %s -functionattrs | llvm-dis | grep readnone | count 2
+; RUN: opt < %s -functionattrs -S | FileCheck %s
+
+%struct.X = type { i32*, i32* }
 
 declare i32 @g(i32*) readnone
 
 define i32 @f() {
+; CHECK: @f() readnone
        %x = alloca i32         ; <i32*> [#uses=2]
        store i32 0, i32* %x
        %y = call i32 @g(i32* %x)               ; <i32> [#uses=1]
        ret i32 %y
 }
+
+define i32 @foo() nounwind {
+; CHECK: @foo() nounwind readonly
+entry:
+  %y = alloca %struct.X                           ; <%struct.X*> [#uses=2]
+  %x = alloca %struct.X                           ; <%struct.X*> [#uses=2]
+  %j = alloca i32                                 ; <i32*> [#uses=2]
+  %i = alloca i32                                 ; <i32*> [#uses=2]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  store i32 0, i32* %i, align 4
+  store i32 1, i32* %j, align 4
+  %0 = getelementptr inbounds %struct.X* %y, i32 0, i32 0 ; <i32**> [#uses=1]
+  store i32* %i, i32** %0, align 8
+  %1 = getelementptr inbounds %struct.X* %x, i32 0, i32 1 ; <i32**> [#uses=1]
+  store i32* %j, i32** %1, align 8
+  %x1 = bitcast %struct.X* %x to i8*              ; <i8*> [#uses=2]
+  %y2 = bitcast %struct.X* %y to i8*              ; <i8*> [#uses=1]
+  call void @llvm.memcpy.i64(i8* %x1, i8* %y2, i64 8, i32 1)
+  %2 = bitcast i8* %x1 to i32**                   ; <i32**> [#uses=1]
+  %3 = load i32** %2, align 8                     ; <i32*> [#uses=1]
+  %4 = load i32* %3, align 4                      ; <i32> [#uses=1]
+  br label %return
+
+return:                                           ; preds = %entry
+  ret i32 %4
+}
+
+define i32 @t(i32 %a, i32 %b, i32 %c) nounwind {
+; CHECK: @t(i32 %a, i32 %b, i32 %c) nounwind readnone
+entry:
+  %a.addr = alloca i32                            ; <i32*> [#uses=3]
+  %c.addr = alloca i32                            ; <i32*> [#uses=2]
+  store i32 %a, i32* %a.addr
+  store i32 %c, i32* %c.addr
+  %tmp = load i32* %a.addr                        ; <i32> [#uses=1]
+  %tobool = icmp ne i32 %tmp, 0                   ; <i1> [#uses=1]
+  br i1 %tobool, label %if.then, label %if.else
+
+if.then:                                          ; preds = %entry
+  br label %if.end
+
+if.else:                                          ; preds = %entry
+  br label %if.end
+
+if.end:                                           ; preds = %if.else, %if.then
+  %p.0 = phi i32* [ %a.addr, %if.then ], [ %c.addr, %if.else ] ; <i32*> [#uses=1]
+  %tmp2 = load i32* %p.0                          ; <i32> [#uses=1]
+  ret i32 %tmp2
+}
+
+declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind